<p>People in Thibodaux and Terrebonne Parish are getting fake ransom calls about a family member being held hostage, law-enforcement agencies said.</p><p>If you receive such a call in Thibodaux, call 446-5021; in Terrebonne, call 876-2500.</p><p>The caller demands that $1,000 be wired immediately or the family member will be killed, Thibodaux Police said.</p><p>No kidnapping claims have proven true, authorities said.</p>